What is the primary purpose of PO sync?

What is the primary purpose of PO sync?
A . To assess progress of the Program Increment and adjust scope and priority as needed
B. To build objectives for the Program Increment
C. To align with the scrum of scrums participants on the status of the Program Increment

Answer: A

Explanation:

Read more: https://www.scaledagileframework.com/program-increment/